As scientists get closer to putting humans on Mars, the need to understand why clocks tick faster on the red planet is more ...

Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star. But some are out there all ...

A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The enigma of the intruder about the same size as Manhattan Island is making astronomers rethink what they know about cosmic ...

ESA’s Mars orbiters have observed comet 3I/ATLAS, only the third interstellar comet ever discovered. The faint, distant ...

Lacki’s study, “Artificial Broadcasts as Galactic Populations,” has been posted to the preprint science journal arXiv. In it, ...

A massive interstellar object is racing through our solar system at breakneck speed, and scientists are scrambling to ...

To view the Moon and Jupiter, extend your clenched fist at arm's length. The distance between the two celestial bodies will be a little more than half of your fist. While the Moon is only 378,195km ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...

In a little less than a year from now, Jupiter and the moon will be part of one of the best celestial highlights of 2026. On ...